References in classic literature ?
They rose about eight o'clock in the winter, about six in summer, and went to take the countersign and see how things went on at M.
And what to these ministers do but countersign the signature of the king?
Their concluding words had evidently been some form of sign and countersign.
Seven from five," returned Jefferson Hope promptly, remembering the countersign which he had heard in the garden.
We know, Brother, by your sign and by your countersign that you are indeed one of us," said McGinty.
10 per Share Tender Offer if CME Merger Vote Fails and GFI Countersigns